Portable charging device



FIG. 1 is an isometric top view of a portable charging device inaccordance with the present invention;

FIG. 2 is an isometric bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a front-side perspective view thereof, shown in an environmentof use with a cord and electronic device.

The broken lines shown illustrate environmental structure or portions ofthe portable charging device which form no part of the claimed design.

CLAIM The ornamental design for a portable charging device, as shown anddescribed.